#include <palacios/vm_guest.h>
+#include <palacios/vmm_ctrl_regs.h>
#include <palacios/vmm.h>
+
+vm_cpu_mode_t get_cpu_mode(struct guest_info * info) {
+ struct cr0_32 * cr0;
+ struct cr4_32 * cr4 = (struct cr4_32 *)&(info->ctrl_regs.cr4);
+ struct efer_64 * efer = (struct efer_64 *)&(info->ctrl_regs.efer);
+ struct v3_segment * cs = &(info->segments.cs);
+
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+ } else if (info->shdw_pg_mode == NESTED_PAGING) {
+ cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+ } else {
+ PrintError("Invalid Paging Mode...\n");
+ V3_ASSERT(0);
+ return -1;
+ }
+
+ if (cr0->pe == 0) {
+ return REAL;
+ } else if ((cr4->pae == 0) && (efer->lma == 0)) {
+ return PROTECTED;
+ } else if (efer->lma == 0) {
+ return PROTECTED_PAE;
+ } else if ((efer->lma == 1) && (cs->long_mode == 1)) {
+ return LONG;
+ } else {
+ return LONG_32_COMPAT;
+ }
+}
+
+vm_mem_mode_t get_mem_mode(struct guest_info * info) {
+ struct cr0_32 * cr0;
+
+ if (info->shdw_pg_mode == SHADOW_PAGING) {
+ cr0 = (struct cr0_32 *)&(info->shdw_pg_state.guest_cr0);
+ } else if (info->shdw_pg_mode == NESTED_PAGING) {
+ cr0 = (struct cr0_32 *)&(info->ctrl_regs.cr0);
+ } else {
+ PrintError("Invalid Paging Mode...\n");
+ V3_ASSERT(0);
+ return -1;
+ }
+
+
+
+ if (cr0->pg == 0) {
+ return PHYSICAL_MEM;
+ } else {
+ return VIRTUAL_MEM;
+ }
+}
+
+
void PrintV3Segments(struct guest_info * info) {
struct v3_segments * segs = &(info->segments);
int i = 0;